The temperature on February 5, 1910 was between -1.6 °C and 5.0 °C and averaged 2.1 °C. There was 0.2 mm of rain. There was 1.3 hours of sunshine (14%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 15 » Construction ends on the Buffalo Bill Dam in Wyoming, United States, which was the highest dam in the world at the time, at 325ft (99m).
May 6 » George V becomes King of Great Britain, Ireland, and many overseas territories, on the death of his father, Edward VII.
June 25 » Igor Stravinsky's ballet The Firebird is premiered in Paris, bringing him to prominence as a composer.
October 1 » A large bomb destroys the Los Angeles Times building, killing 21.
October 6 » Eleftherios Venizelos is elected prime minister of Greece for the first of seven times.
October 20 » The hull of the RMSOlympic, sister-ship to the ill-fated RMS Titanic, is launched from the Harland and Wolff shipyard in Belfast.
Day of marriage January 5, 1943
The temperature on January 5, 1943 was between -4.8 °C and -0.1 °C and averaged -2.3 °C. There was 0.1 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
February 10 » World War II: Attempting to completely lift the Siege of Leningrad, the Soviet Red Army engages German troops and Spanish volunteers in the Battle of Krasny Bor.
February 22 » World War II: Members of the White Rose resistance, Sophie Scholl, Hans Scholl, and Christoph Probst are executed in Nazi Germany.
April 8 » U.S. President Franklin D. Roosevelt, in an attempt to check inflation, freezes wages and prices, prohibits workers from changing jobs unless the war effort would be aided thereby, and bars rate increases by common carriers and public utilities.
April 19 » World War II: In Poland, the Warsaw Ghetto Uprising begins, after German troops enter the Warsaw Ghetto to round up the remaining Jews.
July 5 » World War II: German forces begin a massive offensive against the Soviet Union at the Battle of Kursk, also known as Operation Citadel.
September 14 » World War II: The Wehrmacht starts a three-day retaliatory operation targeting several Greek villages in the region of Viannos, whose death toll would eventually exceed 500 persons.
Day of death June 15, 1972
The temperature on June 15, 1972 was between 7.4 °C and 16.6 °C and averaged 11.7 °C. There was 0.1 mm of rain during 0.4 hours. There was 6.3 hours of sunshine (38%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet Biesheuvel I, with Mr. B.W. Biesheuvel (ARP) as prime minister.
In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
February 15 » Sound recordings are granted U.S. federal copyright protection for the first time.
April 25 » Vietnam War: Nguyen Hue Offensive: The North Vietnamese 320th Division forces 5,000 South Vietnamese troops to retreat and traps about 2,500 others northwest of Kontum.
May 6 » Deniz Gezmiş, Yusuf Aslan and Hüseyin İnan are executed in Ankara after being convicted of attempting to overthrow the Constitutional order.
July 31 » The Troubles: In Operation Motorman, the British Army re-takes the urban no-go areas of Northern Ireland. It is the biggest British military operation since the Suez Crisis of 1956, and the biggest in Ireland since the Irish War of Independence. Later that day, nine civilians are killed by car bombs in the village of Claudy.
December 13 » Apollo program: Eugene Cernan and Harrison Schmitt begin the third and final extra-vehicular activity (EVA) or "Moonwalk" of Apollo 17. To date they are the last humans to set foot on the Moon.
December 26 » Vietnam War: As part of Operation Linebacker II, 120 American B-52 Stratofortress bombers attacked Hanoi, including 78 launched from Andersen Air Force Base in Guam, the largest single combat launch in Strategic Air Command history.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I3611.php : accessed January 22, 2026), "Pieter Jacobus Koorts (1910-1972)".
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